html,
body {
  padding: 0;
  margin: 0;
  width: 100%;
  height: 100%;
}
.back {
  width: 100%;
  height: 100%;
  position: absolute;
}
iframe {
  width: 100%;
  height: 100%;
}
#kernelsNumber::before {
  content: "内核数:";
}

#coreNumber::before {
  content: "每个核的线程数:";
}

#ip::before {
  content: "IP地址:";
}

#graphicsCard::before {
  content: "显卡:";
}

#systemName::before {
  content: "系统名:";
}

#operatingSystem::before {
  content: "操作系统:";
}

#kernelVersion::before {
  content: "内核版本:";
}

#kernelsNumber {
  position: absolute;
  top: 30px;
  left: 5%;
  color: #c5ccff;
  font-size: 20px;
}

#coreNumber {
  position: absolute;
  top: 70px;
  left: 5%;
  color: #c5ccff;
  font-size: 20px;
}

#ip {
  position: absolute;
  top: 110px;
  left: 5%;
  color: #c5ccff;
  font-size: 20px;
}
#systemName {
  position: absolute;
  top: 150px;
  left: 5%;
  color: #c5ccff;
  font-size: 20px;
}

#operatingSystem {
  position: absolute;
  top: 190px;
  left: 5%;
  color: #c5ccff;
  font-size: 20px;
}

#kernelVersion {
  position: absolute;
  top: 230px;
  left: 5%;
  color: #c5ccff;
  font-size: 20px;
}
img.bj-1 {
  position: absolute;
  left: -1px;
  top: -1px;
}

img.bj-2 {
  position: absolute;
  right: -1px;
  top: -1px;
}

img.bj-3 {
  position: absolute;
  right: -1px;
  bottom: -1px;
}

img.bj-4 {
  position: absolute;
  left: -1px;
  bottom: -1px;
}